Colorado River Aqueduct carves a clear path across this arid corner of the California desert, serving as the most significant man-made landmark in an otherwise unpopulated landscape. This 2012 survey documents the essential water infrastructure and transportation corridors that traverse San Bernardino County, including the intersection of 62 and 95. The topography is dominated by the dry washes and alluvial fans descending from the surrounding heights, with Negro Peak standing as a prominent navigational marker for the region. The map provides a precise record of the engineering required to move water and maintain transit routes through this remote desert environment prior to any further modern development.
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This is the sole edition of this map. No revisions or reprints were ever made.
1943 · Turtle Mts.
USGS Topo · 1:62,500
1943 · Vidal
USGS Topo · 1:62,500
1949 · Vidal
USGS Topo · 1:62,500
1950 · Vidal
USGS Topo · 1:62,500
1950 · Savahia Peak
USGS Topo · 1:62,500
1951 · Savahia Peak
USGS Topo · 1:62,500
1954 · Needles
USGS Topo · 1:250,000
1954 · Turtle Mountains
USGS Topo · 1:62,500
1954 · Rice
USGS Topo · 1:62,500
1956 · Needles
USGS Topo · 1:250,000